mbox series

[v2,0/3] Improve trace/ring_buffer.c

Message ID 20230302164129.4862-1-ubizjak@gmail.com (mailing list archive)
Headers show
Series Improve trace/ring_buffer.c | expand

Message

Uros Bizjak March 2, 2023, 4:41 p.m. UTC 
*** BLURB HERE ***

Uros Bizjak (3):
  ring_buffer: Change some static functions to void
  ring_buffer: Change some static functions to bool
  ring_buffer: Use try_cmpxchg instead of cmpxchg

 kernel/trace/ring_buffer.c | 77 ++++++++++++++++----------------------
 1 file changed, 33 insertions(+), 44 deletions(-)

Comments

Uros Bizjak March 2, 2023, 5:19 p.m. UTC | #1 
On Thu, Mar 2, 2023 at 5:41 PM Uros Bizjak <ubizjak@gmail.com> wrote:
>
> *** BLURB HERE ***

Eh...

Here should read:

This series improves ring_buffer.c by changing the type of some
static functions to void or bool and uses try_cmpxchg instead of
cmpxchg (*ptr, old, new) == old where appropriate.

v2: Convert only loops with cmpxchg.

Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>

> Uros Bizjak (3):
>   ring_buffer: Change some static functions to void
>   ring_buffer: Change some static functions to bool
>   ring_buffer: Use try_cmpxchg instead of cmpxchg
>
>  kernel/trace/ring_buffer.c | 77 ++++++++++++++++----------------------
>  1 file changed, 33 insertions(+), 44 deletions(-)
>
> --
> 2.39.2
>